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I have finally got my readings in the goals set by pool math. I am using 8% bleach. My current readings are: FC 5 CC.5 TA 100 CYA 30 PH 7.4 I still get a brown/ black buildup in the center of the pool. It seems like its debris rather than algae. Doing an overnight test tonight to make sure...

I received my new TF 100 test kit my readings for the last three days are: FC 4 CC 0 PH 8.0 TA 110 CYA 30 I can not get my PH down. I have added 5 pounds of dry acid but my PH is still at 8. Should I adjust the TA down first?

It seems like every year I fight to keep algae out of my pool. This year I thought I had resolved the problem but now the algae has returned. When I started the year my chlorine owes broke so I used crystals and sprinkled them directly into the pool. I did not have any algae problems until I...